rpstate 0.1.0

Type-safe reactive persistence for Rust GUI apps...
Documentation 
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pub trait RpType {
    const TYPE_HASH: u64;
}

pub const fn fnv1a(s: &[u8]) -> u64 {
    let mut hash: u64 = 0xcbf29ce484222325;
    let mut i = 0;
    while i < s.len() {
        hash ^= s[i] as u64;
        hash = hash.wrapping_mul(0x100000000001b3);
        i += 1;
    }
    hash
}

macro_rules! impl_rp_type_primitive {
    ($($t:ty),+) => {
        $(impl RpType for $t {
            const TYPE_HASH: u64 = fnv1a(stringify!($t).as_bytes());
        })+
    }
}

impl_rp_type_primitive!(
    u8, u16, u32, u64, u128, i8, i16, i32, i64, i128, f32, f64, bool, String
);

impl<T: RpType> RpType for Vec<T> {
    const TYPE_HASH: u64 = fnv1a(b"Vec") ^ T::TYPE_HASH;
}

impl<T: RpType> RpType for Option<T> {
    const TYPE_HASH: u64 = fnv1a(b"Option") ^ T::TYPE_HASH;
}